The closing price of a company's stock tomorrow can be lower, higher or the same as today's closing price

The closing price of a company's stock tomorrow can be lower, higher or the same as today's closing price. Based on the closing price of the stock collected over the last month25% of the days the closing price was higher than previous day's closing price, 45% was lower than previous day's and 30% was the same as previous day's. Based on this information, the probability that tomorrow's closing price will be higher than today's is 25%. What probability approach is this an example of? O A. A priori probability OB. Conditional probability OC. Subjective probability OD. Empirical probability